纸币的发行量必须以流通中所需要的货币量为限度。
参考答案：对
Bioinformatics is a new computer software technology that makes research findings on genetic engineering publicly available to the public.
A．True
B．False
哪一级环境保护行政主管部门对行政区域的环境保护工作实施统一监督管理？
